Simplex Trading Portfolio holdings
Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.
Top Buys
| 1 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$278M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$84.4M |
| 3 |
NVIDIA
NVDA
|
+$76.9M |
| 4 |
TSMC
TSM
|
+$74.9M |
| 5 |
Amazon
AMZN
|
+$53.5M |
Top Sells
| 1 |
Apple
AAPL
|
+$497M |
| 2 |
Strategy Inc Common Stock Class A
MSTR
|
+$73.7M |
| 3 |
Alibaba
BABA
|
+$49M |
| 4 |
Advanced Micro Devices
AMD
|
+$48.1M |
| 5 |
Uber
UBER
|
+$41.8M |
Sector Composition
| 1 | Technology | 22.9% |
| 2 | Consumer Discretionary | 12.26% |
| 3 | Healthcare | 9.52% |
| 4 | Communication Services | 8.42% |
| 5 | Financials | 7.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Shares Change % | Capital Flow | |
|---|---|---|---|---|---|---|
1226
Textron
TXT
$14.5B
| $65K | ﹤0.01% |
+908
| New | +$65K |
|
1227
First Trust Exchange-Traded Fund II First Trust International Equity Opportunities ETF
FPXI
$158M
| $64K | ﹤0.01% |
+1,365
| New | +$64K |
|
1228
Gold Royalty Corp
GROY
$650M
| $64K | ﹤0.01% |
45,129
-9,256
| -17% | -$13.1K |
|
1229
Lufax Holding
LU
$2.61B
| $64K | ﹤0.01% |
21,657
+4,441
| +26% | +$13.1K |
|
1230
Direxion Daily S&P 500 High Beta Bear 3X Shares
HIBS
$27.9M
| $63K | ﹤0.01% |
+2,513
| New | +$63K |
|
1231
Myomo
MYO
$31.9M
| $63K | ﹤0.01% |
13,292
-3,806
| -22% | -$18K |
|
1232
Radware
RDWR
$1.1B
| $63K | ﹤0.01% |
2,958
+1,000
| +51% | +$21.3K |
|
1233
Teekay Tankers
TNK
$1.8B
| $63K | ﹤0.01% |
+1,670
| New | +$63K |
|
1234
NEOS Nasdaq 100 High Income ETF
QQQI
$4.35B
| $63K | ﹤0.01% |
1,331
+1,284
| +2,732% | +$60.8K |
|
1235
Arcosa
ACA
$4.67B
| $62K | ﹤0.01% |
807
-139
| -15% | -$10.7K |
|
1236
Breakwave Dry Bulk Shipping ETF
BDRY
$57.1M
| $62K | ﹤0.01% |
9,933
+6,889
| +226% | +$43K |
|
1237
James River Group
JRVR
$244M
| $62K | ﹤0.01% |
14,933
+11,284
| +309% | +$46.9K |
|
|
MTLS
1238
Materialise
MTLS
$302M
| $62K | ﹤0.01% |
12,646
+8,679
| +219% | +$42.6K |
|
1239
United Bankshares
UBSI
$5.3B
| $62K | ﹤0.01% |
+1,809
| New | +$62K |
|
1240
WEX
WEX
$5.82B
| $62K | ﹤0.01% |
400
+398
| +19,900% | +$61.7K |
|
1241
Apple Hospitality REIT
APLE
$2.98B
| $61K | ﹤0.01% |
+4,793
| New | +$61K |
|
1242
Gray Television
GTN
$598M
| $61K | ﹤0.01% |
14,325
-6,290
| -31% | -$26.8K |
|
1243
Ormat Technologies
ORA
$5.53B
| $61K | ﹤0.01% |
+871
| New | +$61K |
|
1244
Perma-Fix Environmental Services
PESI
$168M
| $61K | ﹤0.01% |
+8,419
| New | +$61K |
|
1245
Blend Labs
BLND
$1.12B
| $60K | ﹤0.01% |
+18,158
| New | +$60K |
|
|
CGAU
1246
Centerra Gold
CGAU
$1.88B
| $60K | ﹤0.01% |
9,497
-11,486
| -55% | -$72.6K |
|
1247
Steven Madden
SHOO
$2.26B
| $60K | ﹤0.01% |
+2,267
| New | +$60K |
|
1248
TrueCar
TRUE
$215M
| $60K | ﹤0.01% |
38,580
+10,741
| +39% | +$16.7K |
|
1249
Charles River Laboratories
CRL
$7.52B
| $59K | ﹤0.01% |
394
-1,625
| -80% | -$243K |
|
1250
Lantronix
LTRX
$174M
| $59K | ﹤0.01% |
23,827
-43,255
| -64% | -$107K |
|